Are there any free or commercial answering machine software that can be programmed to play different message based on the datetime of call?
hardware: TAPI voice modem on Windows.
closed as off-topic by fixer1234, DavidPostill, Art Gertner, CharlieRB, Nifle Mar 13 '15 at 23:18
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What I think may be what you need:
ivam2 is an automatic phone answering machine software for ISDN and Linux. It is the completely rewritten successor of ivam featuring many additions.
ivam2 is seperated in two parts: the core daemon written in C and the automate logic coded in Python. The latter is pluggable and may be replaced by different implementations on a per phone number basis (both caller and callee). This makes ivam2 a very powerful application server for telephony services. The software is very scalable, multiple ISDN channels may be controlled from a single daemon. To write telephony applications for ivam2 is not complicated. In fact, they are simple executables which read audio data of the caller from STDIN and write audio data for the caller to STDOUT. DTMF sequences may be read from a FIFO special file. A framework for writing telephony applications in Python is provided, a simple answering machine script based on this framework as well. You are free to write applications in other languages such as Perl or C.
Maybe this is capable of doing it:
It is opensource. I have not used the windows version.
I looked into the Linux version before for a VOIP project.
The Linux package has a lot of "features" - which also means not trivial to understand or setup.